[Mesa-dev] [PATCH 03/12] nir: fix constant folding of bfi

[Connor Abbott]

Signed-off-by: Connor Abbott <connor.w.abb...@intel.com>
---
 src/glsl/nir/nir_opcodes.py | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/glsl/nir/nir_opcodes.py b/src/glsl/nir/nir_opcodes.py
index df5b7e2..77c766b 100644
--- a/src/glsl/nir/nir_opcodes.py
+++ b/src/glsl/nir/nir_opcodes.py
@@ -510,7 +510,7 @@ opcode("bcsel", 0, tunsigned, [0, 0, 0],
       [tbool, tunsigned, tunsigned], "", "src0 ? src1 : src2")
 
 triop("bfi", tunsigned, """
-unsigned mask = src0, insert = src1 & mask, base = src2;
+unsigned mask = src0, insert = src1, base = src2;
 if (mask == 0) {
    dst = base;
 } else {
@@ -519,7 +519,7 @@ if (mask == 0) {
       tmp >>= 1;
       insert <<= 1;
    }
-   dst = (base & ~mask) | insert;
+   dst = (base & ~mask) | (insert & mask);
 }
 """)
 
-- 
2.4.3

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